Kaltasy (; , Qaltasñ) is a rural locality (a village) in Uryush-Bittulinsky Selsoviet, Karaidelsky District, Bashkortostan, Russia. The population was 2 as of 2010. There is 1 street.
Kaltasy is located 71 km southwest of Karaidel (the district's administrative centre) by road. Burkhanovka is the nearest rural locality.